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Related Experiment Videos

Ion-polyether coordination complexes: crystalline ionic conductors for clean energy storage.

Peter G Bruce1

  • 1Eastchem, School of Chemistry, University of St. Andrews, Fife, UK.

Dalton Transactions (Cambridge, England : 2003)
|March 7, 2006
PubMed
Summary
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Crystalline ion-polyether complexes, previously thought to be insulators, exhibit ionic conductivity. This discovery opens new possibilities for solid-state electrolytes in rechargeable lithium batteries.

Area of Science:

  • Coordination Chemistry
  • Materials Science
  • Electrochemistry

Background:

  • Ion-polyether complexes are solid-state analogs of crown ether and cryptand complexes.
  • These materials have potential applications as electrolytes in all-solid-state rechargeable lithium batteries due to their ability to support ionic conductivity.

Purpose of the Study:

  • To describe the recent discovery of ionic conductivity in crystalline ion-polyether complexes.
  • To highlight the structural chemistry of these conductive materials.

Main Methods:

  • Characterization of crystalline ion-polyether complexes.
  • Investigation of ionic conductivity in these materials.

Main Results:

  • Demonstration of ionic conductivity in crystalline ion-polyether complexes, challenging the long-held belief that they are insulators.

Related Experiment Videos

  • Elucidation of the structural chemistry associated with this newly discovered conductivity.

    • Conclusions:

    • Crystalline ion-polyether complexes can exhibit ionic conductivity.
    • This finding necessitates a re-evaluation of their potential as solid-state electrolytes for advanced battery technologies.